Method 1613 Clean-up Standard, 8ng/ml in Nonane, 20ml Back Catalog number: EDF-6999-10X Availability: In the manufacturer's stock Price on request - + Recommended 12534.12-100-AN Bisphenol S, 100µg/ml in Acetonitrile, 1ml Price on request DDF-MDT Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 93323 DOW 624 Volatile Internal/Surrogate Standard Price on request